It powers TV sets, mobile phones, computers--indeed, any sort of contained electrical device.
It powers TV sets, mobile phones, computers, any sort of contained electrical device, of which there are more all the time.
The vibrations change the electrical properties of the device and this electrical signal is converted into an audio signal.
Any electrical or electronic device - including the grid's transformers - not shielded against this pulse would be, at best, taken temporarily off-line.
One wire poked out, connecting the device to an electrical transformer.
His device will use Electrical Impedance Tomography (EIT), a medical imaging method in which images are produced quickly using electrodes placed around the body, to detect changes or abnormalities in the brain.
Electrical engineers at Stanford built a cardiac device that uses a combination of inductive and radiative transmission of power, at about 1.7 billion cycles per second, to its coiled receiving antenna.
ENGADGET: Stanford researchers make heart implant powered by radio waves, put batteries out of a job
The Phone Port adapter plugs into a common electrical wall socket and then connects to any device on your phone line: a plain old phone, a fax machine or even a Caller ID box.
The device can also respond by sending 10 volt electrical pulses to block the signals' path to the brain, tricking the brain into thinking there is no pain.
ENGADGET: Chip implanted in spinal cord could help sufferers of chronic pain (video)
That led the relay, a kind of sensing device, to incorrectly conclude there was an electrical problem and tell a nearby electrical switch to isolate the perceived problem, reducing the flow of power to the Superdome during the game's third quarter.
This is a device that reacts hydrogen and oxygen together to release electrical energy.
They made the device from a photoactive plastic that converts infrared light into an electrical current.
ENGADGET: UCLA creates transparent solar cell, dreams of current generating windows
No matter how the device is plonked down, two of the bumps establish direct electrical contact with the pad.
The device is portable and can be powered with batteries or plugged into an electrical outlet.
ENGADGET: Portable brain tumor treatment system kills cancer while you take out the trash
Images are fed into a lollypop-like device that Craig holds in his mouth, this transforms the pictures into electrical impulses that he can feel on his tongue.
The battery-operated device is switched on when the diver or surfer enters the water and the electrical current is generated continuously.
Entergy told New Orleans City Council members that the company still doesn't know why the device triggered, but the relay has been removed, the dome's electrical system is ready to go and steps will be taken to ensure a malfunction doesn't happen again.
Its research also suggests many UK adults do not have adequate protection from electrical fires - less than half of those surveyed (49%) have a Residual Current Device in their fuse box, a safety device which minimises the risk of fire by cutting off the power in the event of a fault.
BBC: 'Blunder' fires increasing say Electrical Safety Council
The list includes the use of a Kinect camera and PC for physical rehabilitation, the 3D printing of embedded electrical technologies, a Lego set that helps bridge the gap between crustacean and robot and a device that employs an Arduino board and video games to help stroke victims recover motor skills.
Normal vision is based on more than one hundred million receptors in each eye, but it is impossible to squeeze that many electrodes into a tiny device that has to lay on the retina, said John Wyatt, a professor in the department of electrical engineering at MIT who has been working on a retinal prosthesis since 1988.
应用推荐